vi.

1. 低聲嘀咕，咕噥
   The old woman muttered to herself.

   這位老婦人喃喃自語。

   Mr. Morgon did not look up from his maps, but he muttered a greeting.

   摩根先生看著地圖，沒有抬起頭來，但是他低聲招呼了一聲。

2. 抱怨[（+at/against）]
   Some staff members are beginning to mutter about the new president.

   有些職員開始抱怨新任的總經理。

vt.

1. 低聲含糊地說
   The surgeon muttered his dissatisfaction.

   外科醫生低聲發洩他的不滿。

2. 抱怨地說

n.

1. 咕噥；抱怨[S]
   We heard a mutter of discontent.

   我們聽到有人竊竊私議表示不滿。

v.

n.